X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9348d3741280cb28ba0bfecc42071d1243b0756b..7f6d6d56876d2e286d0f11bfb390af6de6c9863e:/src/surf/ns3/ns3_simulator.cc

diff --git a/src/surf/ns3/ns3_simulator.cc b/src/surf/ns3/ns3_simulator.cc
index 29fd20e182..41ef6345ab 100644
--- a/src/surf/ns3/ns3_simulator.cc
+++ b/src/surf/ns3/ns3_simulator.cc
@@ -5,6 +5,26 @@
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "surf/ns3/ns3_simulator.h"
+#include "xbt/dict.h"
+#include "xbt/log.h"
+
+using namespace ns3;
+using namespace std;
+
+static const uint32_t writeSize  = 1024; // limit the amout of data to write
+uint8_t data[writeSize];
+xbt_dict_t dict_socket = NULL;
+
+NS3Sim SimulatorNS3;
+
+static void receive_callback(Ptr<Socket> localSocket);
+static void send_callback(Ptr<Socket> localSocket, uint32_t txSpace);
+static void StartFlow(Ptr<Socket> sock,
+    const char *to,
+    uint16_t port_number);
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simulator_ns3, surf,
+                                "Logging specific to the SURF network NS3 module");
 
 // Constructor.
 NS3Sim::NS3Sim(){
@@ -12,3 +32,118 @@ NS3Sim::NS3Sim(){
 //Destructor.
 NS3Sim::~NS3Sim(){
 }
+
+/*
+ * This function create a flow from src to dst
+ *
+ * Parameters
+ * 		src: node source
+ * 		dst: node destination
+ * 		port_number: The port number to use
+ * 		start: the time the communication start
+ * 		addr:  ip address
+ * 		TotalBytes: number of bytes to transmit
+ */
+void NS3Sim::create_flow_NS3(
+		Ptr<Node> src,
+		Ptr<Node> dst,
+		uint16_t port_number,
+		double start,
+		const char *addr,
+		uint32_t TotalBytes,
+		void * action)
+{
+	if(!dict_socket) dict_socket = xbt_dict_new();
+	PacketSinkHelper sink ("ns3::TcpSocketFactory", InetSocketAddress (Ipv4Address::GetAny(), port_number));
+	sink.Install (dst);
+	Ptr<Socket> sock = Socket::CreateSocket (src, TypeId::LookupByName ("ns3::TcpSocketFactory"));
+	MySocket *mysocket = new MySocket();
+	mysocket->TotalBytes = TotalBytes;
+	mysocket->remaining = TotalBytes;
+	mysocket->sentBytes = 0;
+	mysocket->finished = 0;
+	mysocket->action = action;
+	xbt_dict_set(dict_socket,(const char*)&sock, mysocket,NULL);
+	sock->Bind(InetSocketAddress(port_number));
+	Simulator::Schedule (Seconds(start),&StartFlow, sock, addr, port_number);
+}
+
+void* NS3Sim::get_action_from_socket(void *socket){
+	return ((MySocket *)socket)->action;
+}
+
+char NS3Sim::get_finished(void *socket){
+	return ((MySocket *)socket)->finished;
+}
+
+double NS3Sim::get_remains_from_socket(void *socket){
+	return ((MySocket *)socket)->remaining;
+}
+
+void NS3Sim::simulator_stop(double min){
+	if(min > 0.0)
+		Simulator::Stop(Seconds(min));
+	else
+		Simulator::Stop();
+}
+
+void NS3Sim::simulator_start(void){
+	XBT_DEBUG("Start simulator");
+	Simulator::Run ();
+}
+
+static void receive_callback(Ptr<Socket> localSocket){
+  Address addr;
+  localSocket->GetSockName (addr);
+  InetSocketAddress iaddr = InetSocketAddress::ConvertFrom (addr);
+  MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
+  mysocket->finished = 1;
+
+  //cout << "[" << Simulator::Now ().GetSeconds() << "] " << "Received [" << mysocket->TotalBytes << "bytes],  from: " << iaddr.GetIpv4 () << " port: " << iaddr.GetPort () << endl;
+	std::stringstream sstream;
+		sstream << Simulator::Now ().GetSeconds();
+		std::string s = sstream.str();
+		size_t size = s.size() + 1;
+		char * time_sec = new char[ size ];
+		strncpy( time_sec, s.c_str(), size );
+  XBT_DEBUG("Stop simulator at %s seconds",time_sec);
+  Simulator::Stop();
+}
+
+static void send_callback(Ptr<Socket> localSocket, uint32_t txSpace){
+
+	Address addr;
+	localSocket->GetSockName (addr);
+	InetSocketAddress iaddr = InetSocketAddress::ConvertFrom (addr);
+	MySocket* mysocket = (MySocket*)xbt_dict_get_or_null(dict_socket,(char*)&localSocket);
+	uint32_t totalBytes = mysocket->TotalBytes;
+	while ((mysocket->sentBytes) < totalBytes && localSocket->GetTxAvailable () > 0){
+      uint32_t toWrite = min ((mysocket->remaining), writeSize);
+      toWrite = min (toWrite, localSocket->GetTxAvailable ());
+      int amountSent = localSocket->Send (&data[0], toWrite, 0);
+
+//      cout << Simulator::Now () << "  AmountSend: " << amountSent << "  Towrite: " << toWrite << endl;
+      if(amountSent < 0)
+    	  return;
+	  (mysocket->sentBytes) += amountSent;
+	  (mysocket->remaining) -= amountSent;
+	  //cout << "[" << Simulator::Now ().GetSeconds() << "] " << "Send one packet, remaining "<<  mysocket->remaining << " bytes!" << endl;
+    }
+	if ((mysocket->sentBytes) >= totalBytes){
+		localSocket->Close();
+	}
+
+}
+
+static void StartFlow(Ptr<Socket> sock,
+    const char *to,
+    uint16_t port_number)
+{
+  InetSocketAddress serverAddr (to, port_number);
+
+  //cout << "[" <<  Simulator::Now().GetSeconds() << "] Starting flow to " << to << " using port " << port_number << endl;
+
+  sock->Connect(serverAddr);
+  sock->SetSendCallback (MakeCallback (&send_callback));
+  sock->SetRecvCallback (MakeCallback (&receive_callback));
+}